Finding the Fourth Proportional to 177,787.56, 245,346.81 and 97,215.14
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Solution
The fourth proportional to 177,787.56, 245,346.81 and 97,215.14 is: 134,156.88
Step by Step Solution
- Step 1: Write the proportion equation
177,787.56 : 245,346.81 = 97,215.14 : x - Step 2: Convert to fraction form
177,787.56/245,346.81 = 97,215.14/x - Step 3: Cross multiply
177,787.56x = 245,346.81 × 97,215.14 - Step 4: Simplify right side
177,787.56x = 23,851,424,482.70 - Step 5: Solve for x
x = 23,851,424,482.70/177,787.56 - Step 6: Final answer
x = 134,156.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.